154) Which component of the nervous system mobilizes the body in times of stress? A) central B) somatic C) sympathetic D) parasympathetic Answer: C Diff: 2 Type: MC Page Ref: 120‚ 132 Skill: Factual 155) The part of the autonomic nervous system that is responsible for reacting to stressful events and bodily arousal is called the ______________ nervous system. A) central B) somatic C) sympathetic D) parasympathetic Answer: C Diff: 2 Type: MC Page Ref: 120‚ 132 Skill: Factual ryerson.testbank @gmail
Premium Nervous system Nervous system Hypothalamus
Understand how homeostatic mechanisms operate in the maintenance of an internal environment Homeostasis is keeping the body balanced to allow cells to function‚ despite external environment. Homeostasis is important because the cells‚ blood and tissue fluids can change by slowing down or even stop a vital chemical reaction. Its aim is to keep the body to stay the same‚ at a normal condition. Negative feedback is when change is detected; there are steps when change is detected to get it back
Premium Parasympathetic nervous system Autonomic nervous system Sympathetic nervous system
Hypermobility syndrome is a condition that features joints that easily move beyond the normal range expected for a particular joint. Hypermobility is also known as “double-jointness”. This particular disorder has an unknown discovery date and founder. The causes of hypermobility are family history: disorder is inherited‚ bone structure‚ muscle structure and sense of proprioception which is knowing how far you are able to stretch. Genes that are responsible for the production of collagen are suspected
Premium Muscle Muscular system Heart
The isolated intestinal smooth muscle preparation is one of the classical preparations in physiology and pharmacology for bioassays‚ or the study of drug action and autonomic control of motility. This preparation is included in many "in-house" laboratory manuals of various colleges and universities around North America‚ and in some commercially prepared manuals deal ing with physiology and pharmacology (e.g. Nicpon-Marieb‚ 1981). Basically‚ the method presented in this report is a modification
Premium Autonomic nervous system Sympathetic nervous system Acetylcholine
During a Muscle Contraction The muscle fiber is in a resting state. The resting state is slightly negative inside and slightly positive outside. It has to be in this state in order to receive a message. First the brain sends a message to the muscle using a neuron then reaches the axon terminal of the neuron. Calcium gates then open on the axon terminal allowing calcium to rush in. Ach release from axon terminals‚ diffuses across the synaptic clef and binds to (receptors) on motor end plate. Then
Premium Acetylcholine Action potential Myosin
Muscular Dystrophy: any of a group of hereditary diseases marked by progressive wasting of certain "muscles." (Oxford) A general term for a group of inherited disorders which are characterized by progressive degeneration of skeletal muscles. A group of inherited progressive muscle disorders characterized by muscle weakness and eventual death of the muscle tissues. Examples include “Duchenne muscular dystrophy” and “Becker’s muscular dystrophy.” (NCIt) All of the muscles may be affected. Or‚ only
Premium Muscle Muscular system Myosin
1. INTRODUCTION There are many global connections between the three diaphragms. As stated by Andrew Taylor Still‚ “all parts of the body have direct and indirect connection with the diaphragm” (Frymann‚ 1968). These interrelationships amplify the importance of the synchronistic functions between the three diaphragms to facilitate a balance of the vascular‚ neurological‚ and physiological systems as a whole. Lesions and/or restrictions in the function of one of the three diaphragms will‚ directly
Premium Cell membrane Muscle Acetylcholine
Electrical Stimulation Activity 1: Direct Heart Stimulation 1. Did you see any change in the trace? No change in the trace 2. Why or why not? This is because it needs more simulation 3. Did you see any change in the trace? I did see a change in the trace 4. Why or why not? There is double stimulation 5. Describe the change you see in the trace. How does it differ from the baseline trace? The trace increased from the baseline trace 6. What effect do the repeated stimuli
Premium Acetylcholine Parasympathetic nervous system Nervous system
|21 | Coursework R: Mini-Review Topic Selected: Topic 2: “Skeletal muscle undergoes repair and regenaration throughout normal life. Write a review on the processes involved‚ emphasizing the role of satellite cells.” Muscle Cell Regeneration and the Impact of Ageing Introduction: Throughout normal life‚ skeletal muscles undergo repair and regeneration in response to injury through a process involving several sequential steps. A very important role in this regeneration
Premium Muscle Cellular differentiation Skeletal muscle
Skeletal Muscle Lab Introduction: Motor neurons and muscle fibers are the building blocks of motor units and where they intersect is called the neuromuscular junciton. The region where the flattened end of a motor neuron transmits neural impulses to a muscle is the motor end-plate. The end plate potentials depolarizes skeletal muscle fibers caused by neurotransmitters binding to the postsynaptic membrane in the neuromuscular junction. The process of contraction of the muscle cell is called excitation-contraction
Premium Neuromuscular junction Skeletal muscle Muscle